PM2.5, AQI and Super Pollutants: Understanding the Invisible Dangers in the Air We Breathe
Air pollution is not always visible. Even when the sky appears clear, the air may contain microscopic particles and harmful...
PM2.5
WMO Warns Wildfires and Heatwaves Are Making Global Air Quality Harder to Protect
Increasingly intense wildfires and heatwaves are creating a growing threat to air quality around the world, making it harder for...
Global Air Pollution Crisis Deepens as Cities Search for Cleaner Ways to Protect Public Health
August 28, 2026: Air pollution remains one of the world's most serious environmental and public-health challenges, affecting communities across continents...
Portland Faces Unhealthy Air as Pollution Rises Amid Summer Weather Stress
Portland has faced a sharp deterioration in air quality this summer, highlighting how heat, atmospheric conditions and pollution can combine...
